const uuid = () => {
    let d = new Date().getTime()
    if (window.performance && typeof window.performance.now === 'function') {
        d += performance.now()
    }
    const uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
        const r = (d + Math.random() * 16) % 16 | 0
        d = Math.floor(d / 16)
        return (c === 'x' ? r : (r & 0x3) | 0x8).toString(16)
    })
    return uuid.replace(/-/g, '')
}
export default {
    uuid
}